diff --git a/unix/types_netbsd.go b/unix/types_netbsd.go
index 2dd4f954..4a96d72c 100644
--- a/unix/types_netbsd.go
+++ b/unix/types_netbsd.go
@@ -254,6 +254,7 @@ type Ptmget C.struct_ptmget
 
 const (
 	AT_FDCWD            = C.AT_FDCWD
+	AT_SYMLINK_FOLLOW   = C.AT_SYMLINK_FOLLOW
 	AT_SYMLINK_NOFOLLOW = C.AT_SYMLINK_NOFOLLOW
 )
 
diff --git a/unix/ztypes_netbsd_386.go b/unix/ztypes_netbsd_386.go
index a2268b4f..86736ab6 100644
--- a/unix/ztypes_netbsd_386.go
+++ b/unix/ztypes_netbsd_386.go
@@ -411,6 +411,7 @@ type Ptmget struct {
 
 const (
 	AT_FDCWD            = -0x64
+	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x200
 )
 
diff --git a/unix/ztypes_netbsd_amd64.go b/unix/ztypes_netbsd_amd64.go
index 59e1da0a..3427811f 100644
--- a/unix/ztypes_netbsd_amd64.go
+++ b/unix/ztypes_netbsd_amd64.go
@@ -418,6 +418,7 @@ type Ptmget struct {
 
 const (
 	AT_FDCWD            = -0x64
+	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x200
 )
 
diff --git a/unix/ztypes_netbsd_arm.go b/unix/ztypes_netbsd_arm.go
index 1f1f0f38..399f37a4 100644
--- a/unix/ztypes_netbsd_arm.go
+++ b/unix/ztypes_netbsd_arm.go
@@ -416,6 +416,7 @@ type Ptmget struct {
 
 const (
 	AT_FDCWD            = -0x64
+	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x200
 )
 
diff --git a/unix/ztypes_netbsd_arm64.go b/unix/ztypes_netbsd_arm64.go
index 8dca204a..32f0c15d 100644
--- a/unix/ztypes_netbsd_arm64.go
+++ b/unix/ztypes_netbsd_arm64.go
@@ -418,6 +418,7 @@ type Ptmget struct {
 
 const (
 	AT_FDCWD            = -0x64
+	AT_SYMLINK_FOLLOW   = 0x400
 	AT_SYMLINK_NOFOLLOW = 0x200
 )